1)A word Falbbergong made up to confuse and piss people off because they don't know what it means and they feel stupid.
It's usually a substitute for words you don't want to get into trouble for, but it's used for anything.
2)?(whatever you want it to mean)

1)-Hey teacher, my herinigil is hurting, can you come see and feel if it's supposed to be this way.

2)-I think I have heringilitis.

3)-Did you see that boys' heringil?

4)-Did you see that girls heringil?

5)-Hey Pete, when did you get your arm amputated?
-Wow, man I dunno... that was like, heringils ago.

6)-Heringils are so heringil man. I don't heringil this at heringil all. Herinigil!
-Heringil off heringil! You'll find some attractive heringils to have heringil with.

7)-My sons name is Heringil.

8)-That guys mom is heringilious.

9)-You wanna go get heringil with me? It's not that strong, but it'll get you heringil.